Version 4
SHEET 1 880 680
WIRE -320 160 -320 112
WIRE -320 272 -320 240
WIRE -272 112 -320 112
WIRE -240 272 -320 272
WIRE -240 416 -240 272
WIRE -160 112 -192 112
WIRE -160 144 -160 112
WIRE -160 272 -240 272
WIRE -160 272 -160 224
WIRE -160 416 -240 416
WIRE -64 144 -64 112
WIRE -64 272 -64 224
WIRE -16 112 -64 112
WIRE -16 160 -16 112
WIRE -16 272 -64 272
WIRE -16 272 -16 208
WIRE 0 112 -16 112
WIRE 0 160 -16 160
WIRE 0 208 -16 208
WIRE 0 272 -16 272
WIRE 64 384 64 368
WIRE 80 160 64 160
WIRE 80 160 80 -16
WIRE 80 208 64 208
WIRE 80 208 80 160
WIRE 112 112 64 112
WIRE 112 272 64 272
WIRE 112 272 112 112
WIRE 112 368 64 368
WIRE 112 368 112 272
WIRE 112 416 -80 416
WIRE 112 416 112 368
WIRE 144 112 112 112
WIRE 144 128 144 112
WIRE 144 208 80 208
WIRE 144 208 144 192
WIRE 192 -16 80 -16
WIRE 192 32 192 -16
WIRE 192 272 192 112
WIRE 192 320 192 272
WIRE 192 416 112 416
WIRE 192 416 192 384
WIRE 240 272 192 272
WIRE 240 320 240 272
WIRE 240 416 192 416
WIRE 240 416 240 384
WIRE 304 -16 192 -16
WIRE 304 16 304 -16
WIRE 304 112 304 96
WIRE 304 128 304 112
WIRE 304 240 304 208
WIRE 304 352 272 352
WIRE 304 352 304 336
WIRE 352 112 304 112
WIRE 352 176 352 112
WIRE 384 176 352 176
WIRE 384 288 368 288
WIRE 384 288 384 256
WIRE 448 -16 304 -16
WIRE 448 16 448 -16
WIRE 448 112 448 96
WIRE 448 128 448 112
WIRE 448 304 448 224
WIRE 448 416 240 416
WIRE 448 416 448 384
WIRE 512 112 448 112
WIRE 512 416 448 416
WIRE 512 416 512 352
WIRE 544 352 512 352
WIRE 576 -16 448 -16
WIRE 576 64 576 -16
WIRE 576 192 576 160
WIRE 576 320 576 192
WIRE 576 416 512 416
WIRE 576 416 576 384
WIRE 608 192 576 192
WIRE 608 192 608 112
WIRE 624 112 608 112
WIRE 624 256 384 256
WIRE 624 288 624 256
WIRE 624 416 576 416
WIRE 624 416 624 352
WIRE 656 256 624 256
WIRE 688 -16 576 -16
WIRE 688 64 688 -16
WIRE 688 256 656 256
WIRE 688 256 688 160
WIRE 688 304 688 256
WIRE 688 416 624 416
WIRE 688 416 688 384
FLAG 64 384 0
FLAG 656 256 Out
SYMBOL res -176 96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName Rfus
SYMATTR Value 2
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage -320 144 R0
WINDOW 3 11 106 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(0 311 50)
SYMATTR InstName V1
SYMBOL diode 0 128 R270
WINDOW 0 24 63 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D1
SYMATTR Value MURS320
SYMBOL diode 64 176 M270
WINDOW 0 22 2 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D2
SYMATTR Value MURS320
SYMBOL diode 64 224 M270
WINDOW 0 23 -1 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D3
SYMATTR Value MURS320
SYMBOL diode 0 288 R270
WINDOW 0 26 64 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D4
SYMATTR Value MURS320
SYMBOL polcap 128 128 R0
WINDOW 0 22 58 Left 0
WINDOW 3 -6 100 Left 0
SYMATTR InstName C1
SYMATTR Value 4m7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=3 Rser=0.017 MTBF=2000 Lser=0 mfg="Panasonic" pn="ECA1EFQ472" type="Al electrolytic" ppPkg=1
SYMBOL res 176 16 R0
WINDOW 0 -38 47 Left 0
WINDOW 3 -43 81 Left 0
SYMATTR InstName R1
SYMATTR Value 330
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL zener 176 320 R0
WINDOW 0 20 -25 Left 0
WINDOW 3 24 72 Invisible 0
SYMATTR InstName D5
SYMATTR Value BZX84C12L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -64 400 R90
WINDOW 0 13 127 VBottom 0
WINDOW 3 -12 -4 VTop 0
SYMATTR InstName Raisla
SYMATTR Value 1e8
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Pote 256 288 M0
WINDOW 0 -52 27 Left 0
WINDOW 123 -56 88 Center 0
WINDOW 3 -40 111 Center 0
SYMATTR InstName Vreg
SYMATTR Value2 Set={val}
SYMATTR Value Rt=5k
SYMBOL pnp2 368 240 M0
WINDOW 0 41 25 Left 0
WINDOW 3 18 49 Left 0
SYMATTR InstName Q1
SYMATTR Value 2N5087
SYMBOL res 288 112 R0
WINDOW 0 -45 37 Left 0
WINDOW 3 -47 65 Left 0
SYMATTR InstName R3
SYMATTR Value 27k
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL npn2 384 224 M180
WINDOW 0 9 102 Left 0
WINDOW 3 22 47 Left 0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 288 0 R0
WINDOW 0 -54 39 Left 0
WINDOW 3 -56 64 Left 0
SYMATTR InstName R4
SYMATTR Value 56k
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 432 0 R0
WINDOW 0 -38 47 Left 0
WINDOW 3 -43 81 Left 0
SYMATTR InstName R5
SYMATTR Value 6k8
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL npn2 512 160 M180
WINDOW 0 -20 139 Left 0
WINDOW 3 -21 115 Left 0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL res 432 288 R0
WINDOW 0 -41 26 Left 0
WINDOW 3 -41 49 Left 0
SYMATTR InstName R6
SYMATTR Value 22K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Pote 560 288 R0
WINDOW 0 -40 102 Left 0
WINDOW 123 -41 42 Center 0
WINDOW 3 -40 15 Center 0
SYMATTR InstName iLim
SYMATTR Value2 Set=.9
SYMBOL npn2 624 160 M180
WINDOW 0 -22 141 Left 0
WINDOW 3 -21 113 Left 0
SYMATTR InstName Q4
SYMATTR Value 2N3055
SYMBOL res 672 288 R0
WINDOW 0 -24 62 Left 0
WINDOW 3 -25 110 Left 0
SYMATTR InstName RL
SYMATTR Value 6
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL polcap 640 352 R180
WINDOW 0 27 70 Left 0
WINDOW 3 13 -42 Left 0
SYMATTR InstName C2
SYMATTR Value 470µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=825m Rser=0.084 MTBF=6000 Lser=0 mfg="United Chemi-Con" pn="LXF16VB471M10X16LL" type="Al electrolytic" ppPkg=1
SYMBOL ind2 -176 128 R0
WINDOW 0 -33 42 Left 0
WINDOW 3 -42 78 Left 0
SYMATTR InstName L1
SYMATTR Value 1h
SYMATTR SpiceLine Rser=1
SYMBOL ind2 -48 128 M0
WINDOW 0 -28 40 Left 0
WINDOW 3 -59 65 Left 0
SYMATTR InstName L2
SYMATTR Value 5m
SYMATTR SpiceLine Rser=.01
TEXT -314 18 Left 0 !.tran 40m
TEXT -112 136 VRight 0 !K L1 L2  1
TEXT -168 336 Left 0 !.step param val 0 1 .125